/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlet;

import DTO.song.Songs;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import utils.VietnameseConvert;
import xmlutils.SearchUtils;
import xmlutils.XMLGenerator;

/**
 *
 * @author NoiR
 */
public class SearchControllerServlet extends HttpServlet {

    private SearchUtils su = null;
    private XMLGenerator generator = null;
    private final String resultPage = "result.jsp";

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            String input = request.getParameter("txtSearchInput");
            VietnameseConvert c = new VietnameseConvert();
            input = c.toStringNoAccent(input).toLowerCase().trim();
            Songs rs = new Songs();
            String realPath = getServletContext().getRealPath("/");

            su = new SearchUtils();
            rs = su.seachSong(realPath, input);
            if (rs != null) {
                rs = su.orderSong(rs);
            }

            HttpSession session = request.getSession();
            session.setAttribute("RESULT", rs.getSong());

            request.getRequestDispatcher(resultPage).forward(request, response);
            //response.sendRedirect(resultPage);
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
